| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2015/05/18 | 10:33:19.9 | 15:03:19.9 | 36 | 53.88 | 14 | ML:2.7 | Semnan Province, 46 km South-West of Damghan | ||
| 2015/05/16 | 00:26:10.6 | 04:56:10.6 | 36.71 | 54.58 | 14 | ML:2.7 | Golestan Province, 19 km South-East of Gorgan | ||
| 2015/05/15 | 14:39:16.8 | 19:09:16.8 | 34.67 | 52.85 | 37 | ML:2.6 | Semnan Province, 76 km South-East of Garmsar | ||
| 2015/05/08 | 03:34:22.6 | 08:04:22.6 | 36.19 | 53.38 | 14 | ML:2.7 | Mazandaran Province, 30 km East of Pol-E-Sefid | ||
| 2015/05/06 | 22:37:56.1 | 03:07:56.1 | 37.07 | 54.75 | 31 | ML:2.7 | Golestan Province, 21 km North-West of Ali Abad | ||
| 2015/05/06 | 13:41:44.3 | 18:11:44.3 | 34.8 | 53.26 | 16 | ML:3.1 | Semnan Province, 87 km South-West of Semnan | ||
| 2015/05/05 | 02:00:58.8 | 06:30:58.8 | 36.84 | 55.27 | 15 | ML:2.8 | Golestan Province, 22 km South-East of Ramian | ||
| 2015/04/30 | 18:37:56.4 | 23:07:56.4 | 35.08 | 52.8 | 46 | ML:2.2 | Semnan Province, 45 km South-East of Garmsar |